X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2FTODO;h=1def3d2e9fd8cf381ae743344ce670a13f226438;hb=9550136d8a78dbc1d1aa891e31a66eb993d4be3e;hp=58cab5a83423e8f6aa29bf945950ee099ef848bf;hpb=811f1d3c684af3d5cc08dd4dcdeddce72cd03474;p=sage.d.git

diff --git a/mjo/eja/TODO b/mjo/eja/TODO
index 58cab5a..1def3d2 100644
--- a/mjo/eja/TODO
+++ b/mjo/eja/TODO
@@ -1,10 +1,20 @@
-1. Add CartesianProductEJA.
+1. Add references and start citing them.
 
-2. Check the axioms in the constructor when check != False?
+2. Profile (and fix?) any remaining slow operations.
 
-3. Add references and start citing them.
+3. Every once in a long while, the test
 
-4. Implement the octonion simple EJA.
+       sage: set_random_seed()
+       sage: x = random_eja().random_element()
+       sage: x.is_invertible() == (x.det() != 0)
 
-5. Factor out the Jordan axiom and norm tests once all of the
-   algebras pass.
+   in eja_element.py returns False. Example:
+
+       sage: J1 = ComplexHermitianEJA(2)
+       sage: J2 = TrivialEJA()
+       sage: J = cartesian_product([J1,J2])
+       sage: x = J.from_vector(vector(QQ, [-1, -1/2, -1/2, -1/2]))
+       sage: x.is_invertible()
+       True
+       sage: x.det()
+       0